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Direktori : /opt/alt/alt-nodejs16/root/usr/lib/node_modules/npm/node_modules/read/lib/ |
Current File : //opt/alt/alt-nodejs16/root/usr/lib/node_modules/npm/node_modules/read/lib/read.js |
module.exports = read var readline = require('readline') var Mute = require('mute-stream') function read (opts, cb) { if (opts.num) { throw new Error('read() no longer accepts a char number limit') } if (typeof opts.default !== 'undefined' && typeof opts.default !== 'string' && typeof opts.default !== 'number') { throw new Error('default value must be string or number') } var input = opts.input || process.stdin var output = opts.output || process.stdout var prompt = (opts.prompt || '').trim() + ' ' var silent = opts.silent var editDef = false var timeout = opts.timeout var def = opts.default || '' if (def) { if (silent) { prompt += '(<default hidden>) ' } else if (opts.edit) { editDef = true } else { prompt += '(' + def + ') ' } } var terminal = !!(opts.terminal || output.isTTY) var m = new Mute({ replace: opts.replace, prompt: prompt }) m.pipe(output, {end: false}) output = m var rlOpts = { input: input, output: output, terminal: terminal } if (process.version.match(/^v0\.6/)) { var rl = readline.createInterface(rlOpts.input, rlOpts.output) } else { var rl = readline.createInterface(rlOpts) } output.unmute() rl.setPrompt(prompt) rl.prompt() if (silent) { output.mute() } else if (editDef) { rl.line = def rl.cursor = def.length rl._refreshLine() } var called = false rl.on('line', onLine) rl.on('error', onError) rl.on('SIGINT', function () { rl.close() onError(new Error('canceled')) }) var timer if (timeout) { timer = setTimeout(function () { onError(new Error('timed out')) }, timeout) } function done () { called = true rl.close() if (process.version.match(/^v0\.6/)) { rl.input.removeAllListeners('data') rl.input.removeAllListeners('keypress') rl.input.pause() } clearTimeout(timer) output.mute() output.end() } function onError (er) { if (called) return done() return cb(er) } function onLine (line) { if (called) return if (silent && terminal) { output.unmute() output.write('\r\n') } done() // truncate the \n at the end. line = line.replace(/\r?\n$/, '') var isDefault = !!(editDef && line === def) if (def && !line) { isDefault = true line = def } cb(null, line, isDefault) } }